Properties of Elements

Front

What is a pure substance made of only one type of atom?

Back

Element

Front

How many different types of subatomic particles are in an atom?

Back

Three

Front

What does the numbered row of the Periodic Table indicate about an element?

Back

The number of energy levels an element has.

Front

What are examples of elements that are gases and not reactive?

Back

Noble gases

Front

How do you find the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

What is the smallest unit of an element that retains its properties?

Back

Atom

Front

What are the three types of subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Positive charge.

Front

What charge do electrons carry?

Back

Negative charge.

Front

What is the charge of neutrons?

Back

No charge (neutral).